CN212103517U

CN212103517U - Road structure for protecting shallow buried pipeline

Info

Publication number: CN212103517U
Application number: CN202020374795.3U
Authority: CN
Inventors: 孙蓉婷; 廖斌清
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-08
Anticipated expiration: 2030-03-23

Abstract

The utility model provides a road structure for protecting shallow buried pipeline, which belongs to the technical field of municipal road engineering reconstruction, and comprises a road roadbed, a covering soil layer, a foundation pit, a pipe trench, a pipeline, a protective layer, a leakage layer, a buried soil layer, the roadbed, a subbase layer and a road surface, wherein the covering soil layer is laid at the upper end of the road roadbed, a foundation pit is laid at the inner side of the covering soil layer, the pipe trench is laid inside the foundation pit, the pipeline is laid inside the pipe trench, and the protective layer is laid at the upper end of the pipe trench. The pipeline is prevented from being corroded in a humid environment for a long time, and the service life of the pipeline is prolonged.

Description

Road structure for protecting shallow buried pipeline

Technical Field

The utility model relates to a town road engineering transformation technical field specifically is a road structure.

Background

Because of the large amount of pipelines and pipelines under the surface of the urban road, when a cavity or roadside slippage occurs at the lower part of a road surface structure, the supporting force of the lower part structure to the road surface and vehicles is insufficient, and collapse is generated.

Based on the above description, and retrieving a currently published patent number: CN201620176993.2, which relates to a road structure for protecting shallow buried pipelines, has the following disadvantages when in use:

1-the underground pipeline is not filled with soil after construction to form loose soil, when rainfall is too large, fine-grained soil in the upper-end stratum is taken away, the original soil balance is broken, and cavities are formed step by step, when the supporting force of the upper soil layer is insufficient, quicksand erosion is easy to occur under the influence of various factors such as underground water and vehicle vibration, and roadbed cavities are formed, so that the road surface is finally collapsed;

2, after rainfall, rainwater accumulates, gathers near the pipe ditch and seeps into the pipe ditch, and the pipeline is corroded in a humid environment for a long time to influence the service life of the pipeline;

therefore, further research needs to be conducted on the existing road structure to provide a new road structure for protecting a shallow pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the weak point that exists among the prior art, provide a road structure for protecting shallow pipeline that buries.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a road structure for protecting shallow pipeline that buries, includes road roadbed, overburden layer, foundation ditch, trench, pipeline, protective layer, leakage layer, buries soil layer, roadbed, subbase and road surface, overburden layer has been laid to road roadbed's upper end, the foundation ditch has been built by laying by.

Preferably, the pipe trench is formed by building concrete, the pipe trench is in a trapezoidal shape, and two sides of the pipe trench are arranged in an upward inclined mode.

Preferably, the protective layer covers the upper end of the pipe trench in an arch shape, extends to the outer ends of the two sides of the pipe trench and is formed by concrete masonry.

Preferably, the leakage layer is formed by paving broken stones.

Preferably, the foundation pit is covered by the area of the leakage layer, and the side surface of the leakage layer extends to the upper end of the soil covering layer.

Preferably, the leakage layer and the buried soil layer are positioned on the same horizontal plane, and the surfaces of the leakage layer and the buried soil layer are tamped.

Preferably, the subbase layer is formed by laying a steel net, and the road bed is a cement mortar combined layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) this kind of a road structure for protecting shallow pipeline that buries, lay for the smart net of steel through setting up the subbase and form, the roadbed is the cement mortar anchor coat, subbase and roadbed cover in the leakage layer with bury the upper end on soil layer, the closely knit degree of the soil that makes pipeline construction back backfill is under construction is high, the water permeability has been reduced, avoid the roadbed soil to soften, form the soil body and tamp, the quicksand that takes place under the influence of multiple factors such as vehicle vibrations is avoided and is eluriated the phenomenon, reduce the factor that forms the road bed cavity, reduce the risk that the road surface sinks.

(2) After rainfall, rainwater can smoothly leak through broken stones of the leakage layer, so that the soil at the upper end of the pipe trench is prevented from gradually forming a cavity, the supporting force of an upper soil layer can be maintained, the incidence rate of road surface collapse at the upper end of a pipeline is reduced, the leakage layer covering the upper end of the foundation pit can beat water away from the periphery of the foundation pit, the water is infiltrated through a covering soil layer, the pipe trench is built by concrete and is trapezoidal, the two sides of the pipe trench are inclined upwards, when the rainwater seeps downwards, the rainwater can flow along the outer wall of the pipe trench, the protective layer covers the upper end of the pipe trench in an arch shape, the protective layer extends to the outer ends of the two sides of the pipe trench, the protective layer is built by concrete, the arch-shaped protective layer can improve the supporting force, and the rainwater can slide outwards when passing through the arch-shaped protective layer, so that the rainwater is prevented from accumulating and is prevented from accumulating near, the pipeline is prevented from being corroded in a humid environment for a long time by being soaked into the pipe ditch, and the service life of the pipeline is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the utility model discloses a foundation ditch and leakage layer concrete connection structure sketch map.

Fig. 3 is a schematic view of the internal connection structure of the pipe trench of the present invention.

In the figure: 1-road bed; 2-covering a soil layer; 3, foundation pit; 4-pipe trench; 5-a pipeline; 6-a protective layer; 7-a leakage layer; 8-burying a soil layer; 9-way bed; 10-an underlayer; 11-road surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Example (b):

as shown in figures 1-3;

the embodiment provides a road structure for protecting shallow buried pipeline, including road roadbed 1, overburden 2, foundation pit 3, trench 4, pipeline 5, protective layer 6, leakage layer 7, bury soil layer 8, roadbed 9, underlayment 10 and road surface 11, overburden 2 has been laid to road roadbed 1's upper end, foundation pit 3 has been built to overburden 2's inboard, trench 4 has been built to foundation pit 3's inside, pipeline 5 has been laid to trench 4's inside, protective layer 6 has been laid to trench 4's upper end, leakage layer 7 has been laid to foundation pit 3's upper end, the outer end of leakage layer 7 has been buried soil layer 8, the upper end of burying soil layer 8 is provided with roadbed 9, roadbed 9's upper end is provided with underlayment 10, the upper end of underlayment 10 is provided with road surface 11.

Further, trench 4 builds by laying bricks or stones for the concrete and forms, and trench 4 is trapezoidal setting, and the both sides of trench 4 are the tilt up setting, and when the rainwater seepage flow downwards, the rainwater can be along the outer wall low current of trench 4, avoids the rainwater to gather near trench 4, in oozing into trench 4, avoids pipeline 5 to receive the erosion in being in humid environment for a long time, has promoted pipeline 5's life.

Further, protective layer 6 is the upper end that covers at trench 4 of arch shape, and protective layer 6 extends to trench 4's both sides outer end, and protective layer 6 is built by laying bricks or stones for the concrete and forms, and arch protective layer 6 can promote the holding power to when making the rainwater pass through arch protective layer 6, outwards landing avoids the rainwater to gather.

Further, the leakage layer 7 is laid for the rubble material and forms, and is the rubble material through setting up leakage layer 7 for after the rainfall, the rainwater passes through the rubble of leakage layer 7, can leak down smoothly, avoids the soil of the upper end of trench 4 to progressively form the cavity, can maintain upper portion soil layer holding power, reduces the incidence that pipeline upper end road surface sinks.

Further, the area of the leakage layer 7 covers the foundation pit 3, the side face of the leakage layer 7 extends to the upper end of the covering soil layer 2, the leakage layer 7 covering the upper end of the foundation pit 3 can beat water away from the periphery of the foundation pit 3, and the water is infiltrated through the covering soil layer 2.

Further, the leakage layer 7 and the buried soil layer 8 are positioned at the same horizontal plane, and the surfaces of the leakage layer 7 and the buried soil layer 8 are tamped.

Furthermore, the subbase layer 10 is formed by laying a steel net, and the roadbed 9 is a cement mortar binding layer, so that the compactness of soil backfilled after the construction of the underground pipeline is high, the water permeability is reduced, the softening of roadbed soil is avoided, the soil body is tamped, the phenomenon of quicksand erosion caused by the influence of various factors such as vehicle vibration is avoided, the factor for forming roadbed cavities is reduced, and the risk of road surface collapse is reduced.

When the road structure for protecting the shallow buried pipeline provided by the utility model is used, the subbase layer 10 is formed by laying a steel net, the roadbed 9 is a cement mortar binding layer, the subbase layer 10 and the roadbed 9 cover the upper ends of the leakage layer 7 and the buried soil layer 8, so that the compactness of the soil backfilled after the underground pipeline construction is high, the water permeability is reduced, the road foundation soil is prevented from softening, the soil body is tamped, the quicksand erosion phenomenon caused by the influence of various factors such as vehicle vibration is avoided, the factor for forming the cavity of the roadbed is reduced, and the risk of road surface collapse is reduced,

after rainfall, rainwater can smoothly leak through the broken stones of the leakage layer 7, so that the soil at the upper end of the pipe trench 4 is prevented from gradually forming a cavity, the supporting force of the upper soil layer can be maintained, the incidence rate of road surface collapse at the upper end of the pipeline is reduced, the leakage layer 7 covering the upper end of the foundation pit 3 can beat water away from the periphery of the foundation pit 3, and the water can seep through the soil covering layer 2, the pipe trench 4 is formed by building concrete, the pipe trench 4 is in a trapezoidal arrangement, two sides of the pipe trench 4 are in upward inclined arrangement, when the rainwater seeps downwards, the rainwater can flow along the outer wall of the pipe trench 4, the protective layer 6 covers the upper end of the pipe trench 4 in an arched shape, the protective layer 6 extends to the outer ends of the two sides of the pipe trench 4, the protective layer 6 is formed by building the concrete, the arched protective layer 6 can improve the supporting force, and the rainwater can slide outwards when passing through the arched protective, rainwater is prevented from gathering near the pipe ditch 4 and seeping into the pipe ditch 4, the pipeline 5 is prevented from being corroded in a humid environment for a long time, and the service life of the pipeline 5 is prolonged.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A road structure for protecting a shallow buried pipeline comprises a road roadbed (1), a covering soil layer (2), a foundation pit (3), a pipe trench (4), a pipeline (5), a protective layer (6), a leakage layer (7), a buried soil layer (8), a roadbed (9), a subbase layer (10) and a road surface (11), and is characterized in that the covering soil layer (2) is laid at the upper end of the road roadbed (1), the foundation pit (3) is laid on the inner side of the covering soil layer (2), the pipe trench (4) is laid inside the foundation pit (3), the pipeline (5) is laid inside the pipe trench (4), the protective layer (6) is laid at the upper end of the pipe trench (4), the leakage layer (7) is laid at the upper end of the foundation pit (3), the buried soil layer (8) is filled in the outer end of the leakage layer (7), the roadbed (9) is arranged at the upper end of the buried soil layer (8), the road bed is characterized in that the upper end of the road bed (9) is provided with a subbase layer (10), and the upper end of the subbase layer (10) is provided with a road surface (11).

2. The road structure for protecting a shallow buried pipeline according to claim 1, wherein the trench (4) is made of concrete, the trench (4) is trapezoidal, and both sides of the trench (4) are inclined upward.

3. The road structure for protecting a shallow buried pipeline according to claim 1, wherein the protective layer (6) is in an arch shape and covers the upper end of the trench (4), the protective layer (6) extends to the outer ends of both sides of the trench (4), and the protective layer (6) is made of concrete.

4. The road structure for protecting a shallow buried pipeline according to claim 1, characterized in that said seepage layer (7) is laid with a gravel material.

5. The road structure for protecting a shallow buried pipeline according to claim 1, characterized in that the area of the leakage layer (7) covers the foundation pit (3), and the side of the leakage layer (7) extends to the upper end of the overburden layer (2).

6. The road structure for protecting a shallow buried pipeline according to claim 1, characterized in that the leaky layer (7) and the buried soil layer (8) are at the same level, and the surfaces of the leaky layer (7) and the buried soil layer (8) are tamped.

7. The road structure for protecting shallow buried pipelines according to claim 1, characterized in that the sub-base layer (10) is laid by a fine steel net and the road bed (9) is a cement mortar bonding layer.